by Erik Marsja | Oct 27, 2019 | Programming, R
In this post, we are going to learn how to read SAS (. sas7bdat) files in R. More specifically, we are going to use the packages haven, and sas7bdat. Furthermore, we will also learn how to load .sas7bdat files into R using RStudio. If you are interested in other... 
by Erik Marsja | Oct 16, 2019 | Programming, R
In this post, we will learn how make scatter plots using R and the package ggplot2. More specifically, we will learn how to make scatter plots, change the size of the dots, change the markers, the colors, and change the number of ticks. Furthermore, we will... 
by Erik Marsja | Oct 3, 2019 | Programming, R
In this tutorial, we will learn how to work with Excel files in R statistical programming environment. It will provide an overview of how to use R to load xlsx files and write spreadsheets to Excel. In the first section, we will go through, with examples, how to use R... 
by Erik Marsja | Sep 15, 2019 | Open Science, Open Source, Programming, R
In a previous post, we learned how to use Binder and Python for reproducible research. Now, we are going to learn how to create a Binder for our data analysis in R, so it can be fully reproduced by other researchers. More specifically, in this post, we will learn how... 
by Erik Marsja | Aug 12, 2019 | Programming, Python, R
In this post, we will learn how to carry out repeated measures Analysis of Variance (ANOVA) in R and Python. To be specific, we will use the R package afex and the Python package pingouin to carry out one-way and two-way ANOVA for within-subject’s design. The... 
by Erik Marsja | Jan 9, 2016 | Open Science, Open Source, Programming, Psychology, R
Good resources for learning R as a Psychologist are hard to find. By that I mean that there are so many great sites and blogs around the internet to learn R. Thus, it may be hard to find learning resources that target Psychology researchers. R Books for Psychologists...
